﻿using PlatformNetCore.Common;
using PlatformNetCore.Entity;
using PlatformNetCore.Entity.Models;
using PlatformNetCore.IRepository;
using PlatformNetCore.IService;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;

namespace PlatformNetCore.Service
{
    public class ImagesService : IImagesService
    {
        private readonly IImagesRepository imagesRepository;
        public ImagesService(IImagesRepository _imagesRepository)
        {
            imagesRepository = _imagesRepository;
        }

        #region Images
        /// <summary>
        /// 获取分页数据
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public LayPager<Images> GetImagesPagedList(int pageIndex, int pageSize, Expression<Func<Images, bool>> predicate)
        {
            var list = imagesRepository.GetPagedList(pageIndex, pageSize, predicate);
            LayPager<Images> pmodel = new LayPager<Images>();
            if (list != null)
            {
                pmodel.count = list.TotalItemCount;
                pmodel.msg = CommonConst.Success;
                pmodel.data = list.ToList();
            }
            return pmodel;
        }
        /// <summary>
        /// 获取
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public ResultResponse<Images> GetImages(string id)
        {
            ResultResponse<Images> resultResponse = new ResultResponse<Images>() { success = false, msg = CommonConst.Fail };
            resultResponse.data = imagesRepository.GetById(id);
            if (resultResponse.data != null)
            {
                resultResponse.success = true;
                resultResponse.msg = CommonConst.Success;
            }
            return resultResponse;
        }

        /// <summary>
        /// 新增
        /// </summary>
        /// <param name="entity"></param>
        public ResultResponse AddImages(Images model)
        {
            ResultResponse response = new ResultResponse() { success = false, msg = CommonConst.Fail };
            if (string.IsNullOrWhiteSpace(model.Title))
            {
                response.msg = "标题不能为空!";
                return response;
            }
            model.ID = IdentityCreator.NextIdentity;
            model.AddDate = DateTime.Now;
            response.success = imagesRepository.Add(model);
            response.msg = response.success ? CommonConst.Success : CommonConst.Fail;
            return response;
        }

        /// <summary>
        /// 编辑
        /// </summary>
        /// <param name="entity"></param>
        public ResultResponse UpdateImages(Images model)
        {
            ResultResponse response = new ResultResponse() { success = false, msg = CommonConst.Fail };
            if (string.IsNullOrWhiteSpace(model.Title))
            {
                response.msg = "标题不能为空!";
                return response;
            }
            var o = imagesRepository.GetById(model.ID);
            o.Title = model.Title;
            o.CoverImage = model.CoverImage;
            o.ImagesType = model.ImagesType;
            o.Remark = model.Remark;
            o.IsAvailable = model.IsAvailable;
            o.SortNo = model.SortNo;
            o.UpdateBy = model.UpdateBy;
            o.UpdateDate = DateTime.Now;

            response.success = imagesRepository.Update(o);
            response.msg = response.success ? CommonConst.Success : CommonConst.Fail;
            return response;
        }

        /// <summary>
        /// 操作
        /// </summary>
        /// <param name="ids"></param>
        /// <param name="dataStatus"></param>
        /// <returns></returns>
        public ResultResponse UpdateImagesState(List<string> ids, string userName, DataStatus dataStatus)
        {
            ResultResponse response = new ResultResponse() { success = false, msg = CommonConst.Fail };
            var products = imagesRepository.GetList(s => ids.Contains(s.ID)).ToList();
            if (products != null && products.Count > 0)
            {
                switch (dataStatus)
                {
                    case DataStatus.Deleted:
                        products.ForEach(k =>
                        {
                            k.IsDel = 1;
                            k.UpdateBy = userName;
                            k.UpdateDate = DateTime.Now;
                        });
                        response.success = imagesRepository.Update(products);
                        break;
                }
                response.msg = response.success ? CommonConst.Success : CommonConst.Fail;
            }
            return response;
        }
        #endregion
    }
}
